A man walks into a pub... ... And orders his regular ale from the landlord. The landlord duly pours him the pint, places it on the bar, but as the man reaches for it a dog runs in, grabs the pint, downs it and runs out the door. ""That's very strange"" exclaims the landlord, ""let me get you another"". So the landlord pours him another pint, places it carefully on the bar, and the man again reaches out to take it. Again, the dog runs in, grabs the pint, downs it and runs for the door. ""How very…